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Test Code LAB90757 Reducing Substance, Feces

Additional Codes

Mayo Test ID
UREDF

47519


Specimen Required


Supplies: Stool container, small (Random), 4 oz (T288)

Container/Tube: Stool container (T288)

Specimen Volume: 3 g

Collection Instructions:

1. Collect a loose, random stool specimen.

2. Freeze immediately.

Additional Information: If additional tests are ordered, aliquot and separate sample prior to freezing to allow 1 container per test.


Forms

If not ordering electronically, complete, print, and send a Gastroenterology and Hepatology Client Test Request (T728) with the specimen.

Useful For

Assisting in the differentiation between osmotic and nonosmotic diarrhea

 

Screening test for:

-Diarrhea from disaccharidase deficiencies, (eg, lactase deficiency)

-Monosaccharide malabsorption

Method Name

Benedict's Copper Reduction Reaction

Reporting Name

Reducing Substance, F

Specimen Type

Fecal

Specimen Minimum Volume

2 g

Specimen Stability Information

Specimen Type Temperature Time
Fecal Frozen 7 days

Reference Values

Negative or trace

Day(s) and Time(s) Performed

Monday through Saturday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

84376

LOINC Code Information

Test ID Test Order Name Order LOINC Value
UREDF Reducing Substance, F 11060-1

 

Result ID Test Result Name Result LOINC Value
6215 Reducing Substance, F 11060-1
OhioHealth Laboratory Services Additional Information:

Order this test for adults. For infants, see #47576 “Reducing Substance, Infant, Stool.”